Which of the following statements is true regarding the construction of the transcontinental railway?
a. construction began in omaha, nebraska, in 1863 and in sacramento, california, in 1865.
b. most workers for the union pacific railroad were chinese.
c. most workers on the central pacific leg of the railway were chinese.
d. the sierra nevadas were the most difficult obstacle for the union pacific railroad.

cultural achievements of the 1920's 2010  

1. cultural achievements and african american achievements in the 1920’s  

2. art and literature charles lindberg flew from ny to paris, france. became national hero; first transatlantic flight.  

3. greenwich village (new york) and the south side (chicago)  many artists, writers, and intellectuals flocked to these areas to share ideas  people lead bohemian, or artistic and unconventional, lifestyles

the supreme court can hear any case it wishes as long as four justices agree to hear it.

hope this , give me brainliest answer =j